131405735

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{2663}}^1$

素因数の和:2878

約数の個数: 16

約数和(自身を含む): 161118720

約数和(自身を除く): 29712985

約数列:

[1, 5, 71, 139, 355, 695, 2663, 9869, 13315, 49345, 189073, 370157, 945365, 1850785, 26281147, 131405735]

約数ペア:

[(1, 131405735), (5, 26281147), (71, 1850785), (139, 945365), (355, 370157), (695, 189073), (2663, 49345), (9869, 13315)]